diff --git a/apps/android/ChangeLog b/apps/android/ChangeLog index f2a0c5b3f1..d531e43a91 100644 --- a/apps/android/ChangeLog +++ b/apps/android/ChangeLog @@ -31,3 +31,4 @@ 0.30: Send firmware and hardware versions on connection Allow alarm enable/disable 0.31: Implement API for activity fetching +0.32: Added support for loyalty cards from gadgetbridge diff --git a/apps/android/boot.js b/apps/android/boot.js index a8027a67cb..846fc40a80 100644 --- a/apps/android/boot.js +++ b/apps/android/boot.js @@ -236,6 +236,11 @@ event.t="remove"; } require("messages").pushMessage(event); + }, + "cards" : function() { + // we receive all, just override what we have + if (Array.isArray(event.d)) + require("Storage").writeJSON("android.cards.json", event.d); } }; var h = HANDLERS[event.t]; diff --git a/apps/android/metadata.json b/apps/android/metadata.json index 8d65d32e38..68bd946c5a 100644 --- a/apps/android/metadata.json +++ b/apps/android/metadata.json @@ -2,7 +2,7 @@ "id": "android", "name": "Android Integration", "shortName": "Android", - "version": "0.31", + "version": "0.32", "description": "Display notifications/music/etc sent from the Gadgetbridge app on Android. This replaces the old 'Gadgetbridge' Bangle.js widget.", "icon": "app.png", "tags": "tool,system,messages,notifications,gadgetbridge", @@ -15,6 +15,6 @@ {"name":"android.img","url":"app-icon.js","evaluate":true}, {"name":"android.boot.js","url":"boot.js"} ], - "data": [{"name":"android.settings.json"}, {"name":"android.calendar.json"}], + "data": [{"name":"android.settings.json"}, {"name":"android.calendar.json"}, {"name":"android.cards.json"}], "sortorder": -8 } diff --git a/apps/cards/Barcode.js b/apps/cards/Barcode.js new file mode 100644 index 0000000000..ea2448ca5f --- /dev/null +++ b/apps/cards/Barcode.js @@ -0,0 +1,35 @@ +/* + * JS source adapted from https://github.com/lindell/JsBarcode + * + * The MIT License (MIT) + * + * Copyright (c) 2016 Johan Lindell (johan@lindell.me) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +class Barcode{ + constructor(data, options){ + this.data = data; + this.text = options.text || data; + this.options = options; + } +} + +module.exports = Barcode; diff --git a/apps/cards/ChangeLog b/apps/cards/ChangeLog new file mode 100644 index 0000000000..00945cd135 --- /dev/null +++ b/apps/cards/ChangeLog @@ -0,0 +1 @@ +0.01: Simple app to display loyalty cards diff --git a/apps/cards/README.md b/apps/cards/README.md new file mode 100644 index 0000000000..8bcbb0755f --- /dev/null +++ b/apps/cards/README.md @@ -0,0 +1,54 @@ +# Cards + +Simple app to display loyalty cards synced from Catima through GadgetBridge. +The app can display the cards' info (balance, expiration, note, etc.) and tapping on the appropriate field will display the code, if the type is supported. + +To come back to the visualization of the card's details from the code view, simply press the button. + +Beware that the small screen of the Banglejs 2 cannot render properly complex barcodes (in fact the resolution is very limited to render most barcodes). + +### Supported codes types + +* `CODE_39` +* `CODABAR` +* `QR_CODE` + +### Disclaimer + +This app is a proof of concept, many codes are too complex to be rendered by the bangle's screen or hardware (at least with the current logic), keep that in mind. + +### How to sync + +_WIP: we currently cannot synchronize cards, a PR is under review in GadgetBridge repo, soon we will see support on nightly builds_ + +You can test it by sending on your bangle a file like this: + +_android.cards.json_ + +```json +[ + { + "id": 1, + "name": "First card", + "value": "01234", + "note": "Some stuff", + "type": "CODE_39", + "balance": "15 EUR", + "expiration": "1691102081" + }, + { + "id": 2, + "name": "Second card", + "value": "Hello world", + "note": "This is a qr generated on the bangle!", + "type": "QR_CODE", + "balance": "2 P" + } +] +``` + +### Credits + +Barcode generation adapted from [lindell/JsBarcode](https://github.com/lindell/JsBarcode) + +QR code generation adapted from [ricmoo/QRCode](https://github.com/ricmoo/QRCode) diff --git a/apps/cards/app-icon.js b/apps/cards/app-icon.js new file mode 100644 index 0000000000..3ec6948c44 --- /dev/null +++ b/apps/cards/app-icon.js @@ -0,0 +1 @@ +require("heatshrink").decompress(atob("mEwxH+AH4A/AH4A/AH4AYoIAjF/4v/F/4v/F/4v/FAdNAAsoADgv/F/4v/F/4vqu4AjF/4v/F/4v6poAjF/4AfFAYAGF/4v/F/4v/F/4v/F94A/AH4A/AH4A/ABo")) diff --git a/apps/cards/app.js b/apps/cards/app.js new file mode 100644 index 0000000000..dcef7da768 --- /dev/null +++ b/apps/cards/app.js @@ -0,0 +1,210 @@ +/* CARDS is a list of: + {id:int, + name, + value, + type, + expiration, + color, + balance, + note, + ... + } +*/ + +Bangle.loadWidgets(); +Bangle.drawWidgets(); + +//may make it configurable in the future +const WHITE=-1 +const BLACK=0 + +var FILE = "android.cards.json"; + +var Locale = require("locale"); + +var fontSmall = "6x8"; +var fontMedium = g.getFonts().includes("6x15")?"6x15":"6x8:2"; +var fontBig = g.getFonts().includes("12x20")?"12x20":"6x8:2"; +var fontLarge = g.getFonts().includes("6x15")?"6x15:2":"6x8:4"; + +var CARDS = require("Storage").readJSON("android.cards.json",true)||[]; +var settings = require("Storage").readJSON("cards.settings.json",true)||{}; + +function getDate(timestamp) { + return new Date(timestamp*1000); +} +function formatDay(date) { + let formattedDate = Locale.dow(date,1) + " " + Locale.date(date).replace(/\d\d\d\d/,""); + if (!settings.useToday) { + return formattedDate; + } + const today = new Date(Date.now()); + if (date.getDay() == today.getDay() && date.getMonth() == today.getMonth()) + return /*LANG*/"Today "; + else { + const tomorrow = new Date(Date.now() + 86400 * 1000); + if (date.getDay() == tomorrow.getDay() && date.getMonth() == tomorrow.getMonth()) { + return /*LANG*/"Tomorrow "; + } + return formattedDate; + } +} + +function getColor(intColor) { + return "#"+(0x1000000+Number(intColor)).toString(16).padStart(6,"0"); +} +function isLight(color) { + var r = +("0x"+color.slice(1,3)); + var g = +("0x"+color.slice(3,5)); + var b = +("0x"+color.slice(5,7)); + var threshold = 0x88 * 3; + return (r+g+b) > threshold; +} + +function printSquareCode(binary, size) { + var padding = 5; + var ratio = (g.getWidth()-(2*padding))/size; + for (var y = 0; y < size; y++) { + for (var x = 0; x < size; x++) { + if (binary[x + y * size]) { + g.setColor(BLACK).fillRect({x:x*ratio+padding, y:y*ratio+padding, w:ratio, h:ratio}); + } else { + g.setColor(WHITE).fillRect({x:x*ratio+padding, y:y*ratio+padding, w:ratio, h:ratio}); + } + } + } +} +function printLinearCode(binary) { + var yFrom = 15; + var yTo = 28; + var width = g.getWidth()/binary.length; + for(var b = 0; b < binary.length; b++){ + var x = b * width; + if(binary[b] === "1"){ + g.setColor(BLACK).fillRect({x:x, y:yFrom, w:width, h:g.getHeight() - (yTo+yFrom)}); + } + else if(binary[b]){ + g.setColor(WHITE).fillRect({x:x, y:yFrom, w:width, h:g.getHeight() - (yTo+yFrom)}); + } + } +} + +function showCode(card) { + E.showScroller(); + // keeping it on rising edge would come back twice.. + setWatch(()=>showCard(card), BTN, {edge:"falling"}); + // theme independent + g.setColor(WHITE).fillRect(0, 0, g.getWidth(), g.getHeight()); + switch (card.type) { + case "QR_CODE": { + const getBinaryQR = require("cards.qrcode.js"); + let code = getBinaryQR(card.value); + printSquareCode(code.data, code.size); + break; + } + case "CODE_39": { + g.setFont("Vector:20"); + g.setFontAlign(0,1).setColor(BLACK); + g.drawString(card.value, g.getWidth()/2, g.getHeight()); + const CODE39 = require("cards.code39.js"); + let code = new CODE39(card.value, {}); + printLinearCode(code.encode().data); + break; + } + case "CODABAR": { + g.setFont("Vector:20"); + g.setFontAlign(0,1).setColor(BLACK); + g.drawString(card.value, g.getWidth()/2, g.getHeight()); + const codabar = require("cards.codabar.js"); + let code = new codabar(card.value, {}); + printLinearCode(code.encode().data); + break; + } + default: + g.clear(true); + g.setFont("Vector:30"); + g.setFontAlign(0,0); + g.drawString(card.value, g.getWidth()/2, g.getHeight()/2); + } +} + +function showCard(card) { + var lines = []; + var bodyFont = fontBig; + if(!card) return; + g.setFont(bodyFont); + //var lines = []; + if (card.name) lines = g.wrapString(card.name, g.getWidth()-10); + var titleCnt = lines.length; + var start = getDate(card.expiration); + var includeDay = true; + lines = lines.concat("", /*LANG*/"View code"); + var valueLine = lines.length - 1; + if (card.expiration) + lines = lines.concat("",/*LANG*/"Expires"+": ", g.wrapString(formatDay(getDate(card.expiration)), g.getWidth()-10)); + if(card.balance) + lines = lines.concat("",/*LANG*/"Balance"+": ", g.wrapString(card.balance, g.getWidth()-10)); + if(card.note && card.note.trim()) + lines = lines.concat("",g.wrapString(card.note, g.getWidth()-10)); + lines = lines.concat("",/*LANG*/"< Back"); + var titleBgColor = card.color ? getColor(card.color) : g.theme.bg2; + var titleColor = g.theme.fg2; + if (card.color) + titleColor = isLight(titleBgColor) ? BLACK : WHITE; + E.showScroller({ + h : g.getFontHeight(), // height of each menu item in pixels + c : lines.length, // number of menu items + // a function to draw a menu item + draw : function(idx, r) { + // FIXME: in 2v13 onwards, clearRect(r) will work fine. There's a bug in 2v12 + g.setBgColor(idx=lines.length-2) + showList(); + else if (idx==valueLine) + showCode(card); + }, + back : () => showList() + }); +} + +// https://github.com/metafloor/bwip-js +// https://github.com/lindell/JsBarcode + +function showList() { + if(CARDS.length == 0) { + E.showMessage(/*LANG*/"No cards"); + return; + } + E.showScroller({ + h : 52, + c : Math.max(CARDS.length,3), // workaround for 2v10.219 firmware (min 3 not needed for 2v11) + draw : function(idx, r) {"ram" + var card = CARDS[idx]; + g.setColor(g.theme.fg); + g.clearRect(r.x,r.y,r.x+r.w, r.y+r.h); + if (!card) return; + var isPast = false; + var x = r.x+2, name = card.name; + var body = card.expiration ? formatDay(getDate(card.expiration)) : ""; + if (card.balance) body += "\n" + card.balance; + if (name) g.setFontAlign(-1,-1).setFont(fontBig) + .setColor(isPast ? "#888" : g.theme.fg).drawString(name, x+4,r.y+2); + if (body) { + g.setFontAlign(-1,-1).setFont(fontMedium).setColor(isPast ? "#888" : g.theme.fg); + g.drawString(body, x+10,r.y+20); + } + g.setColor("#888").fillRect(r.x,r.y+r.h-1,r.x+r.w-1,r.y+r.h-1); // dividing line between items + if(card.color) { + g.setColor(getColor(card.color)); + g.fillRect(r.x,r.y+4,r.x+3, r.y+r.h-4); + } + }, + select : idx => showCard(CARDS[idx]), + back : () => load() + }); +} +showList(); diff --git a/apps/cards/app.png b/apps/cards/app.png new file mode 100644 index 0000000000..b2bfa59f44 Binary files /dev/null and b/apps/cards/app.png differ diff --git a/apps/cards/codabar.js b/apps/cards/codabar.js new file mode 100644 index 0000000000..2d245e0914 --- /dev/null +++ b/apps/cards/codabar.js @@ -0,0 +1,88 @@ +// Encoding specification: +// http://www.barcodeisland.com/codabar.phtml +/* + * JS source adapted from https://github.com/lindell/JsBarcode + * + * The MIT License (MIT) + * + * Copyright (c) 2016 Johan Lindell (johan@lindell.me) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +const Barcode = require("cards.Barcode.js"); + +class codabar extends Barcode{ + constructor(data, options){ + if (/^[0-9\-\$\:\.\+\/]+$/.test(data)) { + data = "A" + data + "A"; + } + + super(data.toUpperCase(), options); + + this.text = this.options.text || this.text.replace(/[A-D]/g, ''); + } + + valid(){ + return /^[A-D][0-9\-\$\:\.\+\/]+[A-D]$/.test(this.data) + } + + encode(){ + var result = []; + var encodings = this.getEncodings(); + for(var i = 0; i < this.data.length; i++){ + result.push(encodings[this.data.charAt(i)]); + // for all characters except the last, append a narrow-space ("0") + if (i !== this.data.length - 1) { + result.push("0"); + } + } + return { + text: this.text, + data: result.join('') + }; + } + + getEncodings(){ + return { + "0": "101010011", + "1": "101011001", + "2": "101001011", + "3": "110010101", + "4": "101101001", + "5": "110101001", + "6": "100101011", + "7": "100101101", + "8": "100110101", + "9": "110100101", + "-": "101001101", + "$": "101100101", + ":": "1101011011", + "/": "1101101011", + ".": "1101101101", + "+": "1011011011", + "A": "1011001001", + "B": "1001001011", + "C": "1010010011", + "D": "1010011001" + }; + } +} + +module.exports = codabar diff --git a/apps/cards/code39.js b/apps/cards/code39.js new file mode 100644 index 0000000000..c9b81d55ce --- /dev/null +++ b/apps/cards/code39.js @@ -0,0 +1,130 @@ +// Encoding documentation: +// https://en.wikipedia.org/wiki/Code_39#Encoding +/* + * JS source adapted from https://github.com/lindell/JsBarcode + * + * The MIT License (MIT) + * + * Copyright (c) 2016 Johan Lindell (johan@lindell.me) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +const Barcode = require("cards.Barcode.js"); + +class CODE39 extends Barcode { + constructor(data, options){ + data = data.toUpperCase(); + + // Calculate mod43 checksum if enabled + if(options.mod43){ + data += getCharacter(mod43checksum(data)); + } + + super(data, options); + } + + encode(){ + // First character is always a * + var result = getEncoding("*"); + + // Take every character and add the binary representation to the result + for(let i = 0; i < this.data.length; i++){ + result += getEncoding(this.data[i]) + "0"; + } + + // Last character is always a * + result += getEncoding("*"); + + return { + data: result, + text: this.text + }; + } + + valid(){ + return /^[0-9A-Z\-\.\ \$\/\+\%]+$/.test(this.data); + } +} + + + + + + +// All characters. The position in the array is the (checksum) value +var characters = [ + "0", "1", "2", "3", + "4", "5", "6", "7", + "8", "9", "A", "B", + "C", "D", "E", "F", + "G", "H", "I", "J", + "K", "L", "M", "N", + "O", "P", "Q", "R", + "S", "T", "U", "V", + "W", "X", "Y", "Z", + "-", ".", " ", "$", + "/", "+", "%", "*" +]; + +// The decimal representation of the characters, is converted to the +// corresponding binary with the getEncoding function +var encodings = [ + 20957, 29783, 23639, 30485, + 20951, 29813, 23669, 20855, + 29789, 23645, 29975, 23831, + 30533, 22295, 30149, 24005, + 21623, 29981, 23837, 22301, + 30023, 23879, 30545, 22343, + 30161, 24017, 21959, 30065, + 23921, 22385, 29015, 18263, + 29141, 17879, 29045, 18293, + 17783, 29021, 18269, 17477, + 17489, 17681, 20753, 35770 +]; + +// Get the binary representation of a character by converting the encodings +// from decimal to binary +function getEncoding(character){ + return getBinary(characterValue(character)); +} + +function getBinary(characterValue){ + return encodings[characterValue].toString(2); +} + +function getCharacter(characterValue){ + return characters[characterValue]; +} + +function characterValue(character){ + return characters.indexOf(character); +} + +function mod43checksum(data){ + var checksum = 0; + for(let i = 0; i < data.length; i++){ + checksum += characterValue(data[i]); + } + + checksum = checksum % 43; + return checksum; +} + +module.exports = CODE39; diff --git a/apps/cards/metadata.json b/apps/cards/metadata.json new file mode 100644 index 0000000000..63b7da847e --- /dev/null +++ b/apps/cards/metadata.json @@ -0,0 +1,21 @@ +{ + "id": "cards", + "name": "Cards", + "version": "0.01", + "description": "Display loyalty cards", + "icon": "app.png", + "screenshots": [{"url":"screenshot_cards_overview.png"}, {"url":"screenshot_cards_card1.png"}, {"url":"screenshot_cards_card2.png"}, {"url":"screenshot_cards_barcode.png"}, {"url":"screenshot_cards_qrcode.png"}], + "tags": "cards", + "supports": ["BANGLEJS","BANGLEJS2"], + "readme": "README.md", + "storage": [ + {"name":"cards.app.js","url":"app.js"}, + {"name":"cards.settings.js","url":"settings.js"}, + {"name":"cards.Barcode.js","url":"Barcode.js"}, + {"name":"cards.qrcode.js","url":"qrcode.js"}, + {"name":"cards.codabar.js","url":"codabar.js"}, + {"name":"cards.code39.js","url":"code39.js"}, + {"name":"cards.img","url":"app-icon.js","evaluate":true} + ], + "data": [{"name":"cards.settings.json"}] +} diff --git a/apps/cards/qrcode.js b/apps/cards/qrcode.js new file mode 100644 index 0000000000..ff79d7bee6 --- /dev/null +++ b/apps/cards/qrcode.js @@ -0,0 +1,705 @@ +/* + * C source adapted from https://github.com/ricmoo/QRCode + * + * The MIT License (MIT) + * + * This library is written and maintained by Richard Moore. + * Major parts were derived from Project Nayuki's library. + * + * Copyright (c) 2017 Richard Moore (https://github.com/ricmoo/QRCode) + * Copyright (c) 2017 Project Nayuki (https://www.nayuki.io/page/qr-code-generator-library) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +var c = E.compiledC(` +// int get_qr(int, int) + +typedef signed char __int8_t; +typedef unsigned char __uint8_t; +typedef signed short int __int16_t; +typedef unsigned short int __uint16_t; +typedef signed int __int32_t; +typedef unsigned int __uint32_t; + +typedef __int8_t int8_t; +typedef __int16_t int16_t; +typedef __int32_t int32_t; +typedef __uint8_t uint8_t; +typedef __uint16_t uint16_t; +typedef __uint32_t uint32_t; + +typedef struct QRCode { + uint8_t version; + uint8_t size; + uint8_t ecc; + uint8_t mode; + uint8_t mask; + uint8_t *modules; +} QRCode; +uint16_t qrcode_getBufferSize(uint8_t version); + +int8_t qrcode_initText(QRCode *qrcode, uint8_t *modules, uint8_t version, uint8_t ecc, const char *data); +int8_t qrcode_initBytes(QRCode *qrcode, uint8_t *modules, uint8_t version, uint8_t ecc, uint8_t *data, uint16_t length); + +bool qrcode_getModule(QRCode *qrcode, uint8_t x, uint8_t y); + +static const uint16_t NUM_ERROR_CORRECTION_CODEWORDS[4][40] = { + { 10, 16, 26, 36, 48, 64, 72, 88, 110, 130, 150, 176, 198, 216, 240, 280, 308, 338, 364, 416, 442, 476, 504, 560, 588, 644, 700, 728, 784, 812, 868, 924, 980, 1036, 1064, 1120, 1204, 1260, 1316, 1372}, + { 7, 10, 15, 20, 26, 36, 40, 48, 60, 72, 80, 96, 104, 120, 132, 144, 168, 180, 196, 224, 224, 252, 270, 300, 312, 336, 360, 390, 420, 450, 480, 510, 540, 570, 570, 600, 630, 660, 720, 750}, + { 17, 28, 44, 64, 88, 112, 130, 156, 192, 224, 264, 308, 352, 384, 432, 480, 532, 588, 650, 700, 750, 816, 900, 960, 1050, 1110, 1200, 1260, 1350, 1440, 1530, 1620, 1710, 1800, 1890, 1980, 2100, 2220, 2310, 2430}, + { 13, 22, 36, 52, 72, 96, 108, 132, 160, 192, 224, 260, 288, 320, 360, 408, 448, 504, 546, 600, 644, 690, 750, 810, 870, 952, 1020, 1050, 1140, 1200, 1290, 1350, 1440, 1530, 1590, 1680, 1770, 1860, 1950, 2040}, +}; + +static const uint8_t NUM_ERROR_CORRECTION_BLOCKS[4][40] = { + { 1, 1, 1, 2, 2, 4, 4, 4, 5, 5, 5, 8, 9, 9, 10, 10, 11, 13, 14, 16, 17, 17, 18, 20, 21, 23, 25, 26, 28, 29, 31, 33, 35, 37, 38, 40, 43, 45, 47, 49}, + { 1, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 4, 4, 4, 6, 6, 6, 6, 7, 8, 8, 9, 9, 10, 12, 12, 12, 13, 14, 15, 16, 17, 18, 19, 19, 20, 21, 22, 24, 25}, + { 1, 1, 2, 4, 4, 4, 5, 6, 8, 8, 11, 11, 16, 16, 18, 16, 19, 21, 25, 25, 25, 34, 30, 32, 35, 37, 40, 42, 45, 48, 51, 54, 57, 60, 63, 66, 70, 74, 77, 81}, + { 1, 1, 2, 2, 4, 4, 6, 6, 8, 8, 8, 10, 12, 16, 12, 17, 16, 18, 21, 20, 23, 23, 25, 27, 29, 34, 34, 35, 38, 40, 43, 45, 48, 51, 53, 56, 59, 62, 65, 68}, +}; + +static const uint16_t NUM_RAW_DATA_MODULES[40] = { + 208, 359, 567, 807, 1079, 1383, 1568, 1936, 2336, 2768, 3232, 3728, 4256, 4651, 5243, 5867, 6523, + 7211, 7931, 8683, 9252, 10068, 10916, 11796, 12708, 13652, 14628, 15371, 16411, 17483, 18587, + 19723, 20891, 22091, 23008, 24272, 25568, 26896, 28256, 29648 +}; +static int max(int a, int b) { + if (a > b) { return a; } + return b; +} + +static int abs(int value) { + if (value < 0) { return -value; } + return value; +} + +static void *memset(void *s, int c, int n) { + char *arr = (char *)s; + for (int i = 0; i= '0' && c <= '9') { return (c - '0'); } + if (c >= 'A' && c <= 'Z') { return (c - 'A' + 10); } + switch (c) { + case ' ': return 36; + case '$': return 37; + case '%': return 38; + case '*': return 39; + case '+': return 40; + case '-': return 41; + case '.': return 42; + case '/': return 43; + case ':': return 44; + } + + return -1; +} + +static bool isAlphanumeric(const char *text, uint16_t length) { + while (length != 0) { + if (getAlphanumeric(text[--length]) == -1) { return false; } + } + return true; +} +static bool isNumeric(const char *text, uint16_t length) { + while (length != 0) { + char c = text[--length]; + if (c < '0' || c > '9') { return false; } + } + return true; +} +static char getModeBits(uint8_t version, uint8_t mode) { + unsigned int modeInfo = 0x7bbb80a; + if (version > 9) { modeInfo >>= 9; } + + if (version > 26) { modeInfo >>= 9; } + char result = 8 + ((modeInfo >> (3 * mode)) & 0x07); + if (result == 15) { result = 16; } + + return result; +} + +typedef struct BitBucket { + uint32_t bitOffsetOrWidth; + uint16_t capacityBytes; + uint8_t *data; +} BitBucket; +static uint16_t bb_getGridSizeBytes(uint8_t size) { + return (((size * size) + 7) / 8); +} + +static uint16_t bb_getBufferSizeBytes(uint32_t bits) { + return ((bits + 7) / 8); +} + +static void bb_initBuffer(BitBucket *bitBuffer, uint8_t *data, int32_t capacityBytes) { + bitBuffer->bitOffsetOrWidth = 0; + bitBuffer->capacityBytes = capacityBytes; + bitBuffer->data = data; + + memset(data, 0, bitBuffer->capacityBytes); +} + +static void bb_initGrid(BitBucket *bitGrid, uint8_t *data, uint8_t size) { + bitGrid->bitOffsetOrWidth = size; + bitGrid->capacityBytes = bb_getGridSizeBytes(size); + bitGrid->data = data; + + memset(data, 0, bitGrid->capacityBytes); +} + +static void bb_appendBits(BitBucket *bitBuffer, uint32_t val, uint8_t length) { + uint32_t offset = bitBuffer->bitOffsetOrWidth; + for (int8_t i = length - 1; i >= 0; i--, offset++) { + bitBuffer->data[offset >> 3] |= ((val >> i) & 1) << (7 - (offset & 7)); + } + bitBuffer->bitOffsetOrWidth = offset; +} + +static void bb_setBit(BitBucket *bitGrid, uint8_t x, uint8_t y, bool on) { + uint32_t offset = y * bitGrid->bitOffsetOrWidth + x; + uint8_t mask = 1 << (7 - (offset & 0x07)); + if (on) { + bitGrid->data[offset >> 3] |= mask; + } else { + bitGrid->data[offset >> 3] &= ~mask; + } +} + +static void bb_invertBit(BitBucket *bitGrid, uint8_t x, uint8_t y, bool invert) { + uint32_t offset = y * bitGrid->bitOffsetOrWidth + x; + uint8_t mask = 1 << (7 - (offset & 0x07)); + bool on = ((bitGrid->data[offset >> 3] & (1 << (7 - (offset & 0x07)))) != 0); + if (on ^ invert) { + bitGrid->data[offset >> 3] |= mask; + } else { + bitGrid->data[offset >> 3] &= ~mask; + } +} + +static bool bb_getBit(BitBucket *bitGrid, uint8_t x, uint8_t y) { + uint32_t offset = y * bitGrid->bitOffsetOrWidth + x; + return (bitGrid->data[offset >> 3] & (1 << (7 - (offset & 0x07)))) != 0; +} + +static void applyMask(BitBucket *modules, BitBucket *isFunction, uint8_t mask) { + uint8_t size = modules->bitOffsetOrWidth; + for (uint8_t y = 0; y < size; y++) { + for (uint8_t x = 0; x < size; x++) { + if (bb_getBit(isFunction, x, y)) { continue; } + + bool invert = 0; + switch (mask) { + case 0: invert = (x + y) % 2 == 0; break; + case 1: invert = y % 2 == 0; break; + case 2: invert = x % 3 == 0; break; + case 3: invert = (x + y) % 3 == 0; break; + case 4: invert = (x / 3 + y / 2) % 2 == 0; break; + case 5: invert = x * y % 2 + x * y % 3 == 0; break; + case 6: invert = (x * y % 2 + x * y % 3) % 2 == 0; break; + case 7: invert = ((x + y) % 2 + x * y % 3) % 2 == 0; break; + } + bb_invertBit(modules, x, y, invert); + } + } +} + +static void setFunctionModule(BitBucket *modules, BitBucket *isFunction, uint8_t x, uint8_t y, bool on) { + bb_setBit(modules, x, y, on); + bb_setBit(isFunction, x, y, true); +} +static void drawFinderPattern(BitBucket *modules, BitBucket *isFunction, uint8_t x, uint8_t y) { + uint8_t size = modules->bitOffsetOrWidth; + + for (int8_t i = -4; i <= 4; i++) { + for (int8_t j = -4; j <= 4; j++) { + uint8_t dist = max(abs(i), abs(j)); + int16_t xx = x + j, yy = y + i; + if (0 <= xx && xx < size && 0 <= yy && yy < size) { + setFunctionModule(modules, isFunction, xx, yy, dist != 2 && dist != 4); + } + } + } +} +static void drawAlignmentPattern(BitBucket *modules, BitBucket *isFunction, uint8_t x, uint8_t y) { + for (int8_t i = -2; i <= 2; i++) { + for (int8_t j = -2; j <= 2; j++) { + setFunctionModule(modules, isFunction, x + j, y + i, max(abs(i), abs(j)) != 1); + } + } +} + +static void drawFormatBits(BitBucket *modules, BitBucket *isFunction, uint8_t ecc, uint8_t mask) { + + uint8_t size = modules->bitOffsetOrWidth; + uint32_t data = ecc << 3 | mask; + uint32_t rem = data; + for (int i = 0; i < 10; i++) { + rem = (rem << 1) ^ ((rem >> 9) * 0x537); + } + + data = data << 10 | rem; + data ^= 0x5412; + for (uint8_t i = 0; i <= 5; i++) { + setFunctionModule(modules, isFunction, 8, i, ((data >> i) & 1) != 0); + } + + setFunctionModule(modules, isFunction, 8, 7, ((data >> 6) & 1) != 0); + setFunctionModule(modules, isFunction, 8, 8, ((data >> 7) & 1) != 0); + setFunctionModule(modules, isFunction, 7, 8, ((data >> 8) & 1) != 0); + + for (int8_t i = 9; i < 15; i++) { + setFunctionModule(modules, isFunction, 14 - i, 8, ((data >> i) & 1) != 0); + } + for (int8_t i = 0; i <= 7; i++) { + setFunctionModule(modules, isFunction, size - 1 - i, 8, ((data >> i) & 1) != 0); + } + + for (int8_t i = 8; i < 15; i++) { + setFunctionModule(modules, isFunction, 8, size - 15 + i, ((data >> i) & 1) != 0); + } + + setFunctionModule(modules, isFunction, 8, size - 8, true); +} +static void drawVersion(BitBucket *modules, BitBucket *isFunction, uint8_t version) { + + int8_t size = modules->bitOffsetOrWidth; + if (version < 7) { return; } + uint32_t rem = version; + for (uint8_t i = 0; i < 12; i++) { + rem = (rem << 1) ^ ((rem >> 11) * 0x1F25); + } + + uint32_t data = version << 12 | rem; + for (uint8_t i = 0; i < 18; i++) { + bool bit = ((data >> i) & 1) != 0; + uint8_t a = size - 11 + i % 3, b = i / 3; + setFunctionModule(modules, isFunction, a, b, bit); + setFunctionModule(modules, isFunction, b, a, bit); + } +} + +static void drawFunctionPatterns(BitBucket *modules, BitBucket *isFunction, uint8_t version, uint8_t ecc) { + + uint8_t size = modules->bitOffsetOrWidth; + for (uint8_t i = 0; i < size; i++) { + setFunctionModule(modules, isFunction, 6, i, i % 2 == 0); + setFunctionModule(modules, isFunction, i, 6, i % 2 == 0); + } + drawFinderPattern(modules, isFunction, 3, 3); + drawFinderPattern(modules, isFunction, size - 4, 3); + drawFinderPattern(modules, isFunction, 3, size - 4); + + if (version > 1) { + + uint8_t alignCount = version / 7 + 2; + uint8_t step; + if (version != 32) { + step = (version * 4 + alignCount * 2 + 1) / (2 * alignCount - 2) * 2; + } else { + step = 26; + } + + uint8_t alignPositionIndex = alignCount - 1; + uint8_t alignPosition[alignCount]; + + alignPosition[0] = 6; + + uint8_t l_size = version * 4 + 17; + for (uint8_t i = 0, pos = l_size - 7; i < alignCount - 1; i++, pos -= step) { + alignPosition[alignPositionIndex--] = pos; + } + + for (uint8_t i = 0; i < alignCount; i++) { + for (uint8_t j = 0; j < alignCount; j++) { + if ((i == 0 && j == 0) || (i == 0 && j == alignCount - 1) || (i == alignCount - 1 && j == 0)) { + continue; + } else { + drawAlignmentPattern(modules, isFunction, alignPosition[i], alignPosition[j]); + } + } + } + } + drawFormatBits(modules, isFunction, ecc, 0); + drawVersion(modules, isFunction, version); +} +static void drawCodewords(BitBucket *modules, BitBucket *isFunction, BitBucket *codewords) { + + uint32_t bitLength = codewords->bitOffsetOrWidth; + uint8_t *data = codewords->data; + + uint8_t size = modules->bitOffsetOrWidth; + uint32_t i = 0; + for (int16_t right = size - 1; right >= 1; right -= 2) { + if (right == 6) { right = 5; } + + for (uint8_t vert = 0; vert < size; vert++) { + for (int j = 0; j < 2; j++) { + uint8_t x = right - j; + bool upwards = ((right & 2) == 0) ^ (x < 6); + uint8_t y = upwards ? size - 1 - vert : vert; + if (!bb_getBit(isFunction, x, y) && i < bitLength) { + bb_setBit(modules, x, y, ((data[i >> 3] >> (7 - (i & 7))) & 1) != 0); + i++; + } + } + } + } +} +static uint32_t getPenaltyScore(BitBucket *modules) { + uint32_t result = 0; + + uint8_t size = modules->bitOffsetOrWidth; + for (uint8_t y = 0; y < size; y++) { + + bool colorX = bb_getBit(modules, 0, y); + for (uint8_t x = 1, runX = 1; x < size; x++) { + bool cx = bb_getBit(modules, x, y); + if (cx != colorX) { + colorX = cx; + runX = 1; + + } else { + runX++; + if (runX == 5) { + result += 3; + } else if (runX > 5) { + result++; + } + } + } + } + for (uint8_t x = 0; x < size; x++) { + bool colorY = bb_getBit(modules, x, 0); + for (uint8_t y = 1, runY = 1; y < size; y++) { + bool cy = bb_getBit(modules, x, y); + if (cy != colorY) { + colorY = cy; + runY = 1; + } else { + runY++; + if (runY == 5) { + result += 3; + } else if (runY > 5) { + result++; + } + } + } + } + + uint16_t black = 0; + for (uint8_t y = 0; y < size; y++) { + uint16_t bitsRow = 0, bitsCol = 0; + for (uint8_t x = 0; x < size; x++) { + bool color = bb_getBit(modules, x, y); + if (x > 0 && y > 0) { + bool colorUL = bb_getBit(modules, x - 1, y - 1); + bool colorUR = bb_getBit(modules, x, y - 1); + bool colorL = bb_getBit(modules, x - 1, y); + if (color == colorUL && color == colorUR && color == colorL) { + result += 3; + } + } + bitsRow = ((bitsRow << 1) & 0x7FF) | color; + bitsCol = ((bitsCol << 1) & 0x7FF) | bb_getBit(modules, y, x); + if (x >= 10) { + if (bitsRow == 0x05D || bitsRow == 0x5D0) { + result += 40; + } + if (bitsCol == 0x05D || bitsCol == 0x5D0) { + result += 40; + } + } + if (color) { black++; } + } + } + uint16_t total = size * size; + for (uint16_t k = 0; black * 20 < (9 - k) * total || black * 20 > (11 + k) * total; k++) { + result += 10; + } + + return result; +} + +static uint8_t rs_multiply(uint8_t x, uint8_t y) { + uint16_t z = 0; + for (int8_t i = 7; i >= 0; i--) { + z = (z << 1) ^ ((z >> 7) * 0x11D); + z ^= ((y >> i) & 1) * x; + } + return z; +} + +static void rs_init(uint8_t degree, uint8_t *coeff) { + memset(coeff, 0, degree); + coeff[degree - 1] = 1; + uint16_t root = 1; + for (uint8_t i = 0; i < degree; i++) { + + for (uint8_t j = 0; j < degree; j++) { + coeff[j] = rs_multiply(coeff[j], root); + if (j + 1 < degree) { + coeff[j] ^= coeff[j + 1]; + } + } + root = (root << 1) ^ ((root >> 7) * 0x11D); + } +} + +static void rs_getRemainder(uint8_t degree, uint8_t *coeff, const uint8_t *data, uint8_t length, uint8_t *result, uint8_t stride) { + for (uint8_t i = 0; i < length; i++) { + uint8_t factor = data[i] ^ result[0]; + for (uint8_t j = 1; j < degree; j++) { + result[(j - 1) * stride] = result[j * stride]; + } + result[(degree - 1) * stride] = 0; + + for (uint8_t j = 0; j < degree; j++) { + result[j * stride] ^= rs_multiply(coeff[j], factor); + } + } +} +static int8_t encodeDataCodewords(BitBucket *dataCodewords, const uint8_t *text, uint16_t length, uint8_t version) { + int8_t mode = 2; + + if (isNumeric((char*)text, length)) { + mode = 0; + bb_appendBits(dataCodewords, 1 << 0, 4); + bb_appendBits(dataCodewords, length, getModeBits(version, 0)); + + uint16_t accumData = 0; + uint8_t accumCount = 0; + for (uint16_t i = 0; i < length; i++) { + accumData = accumData * 10 + ((char)(text[i]) - '0'); + accumCount++; + if (accumCount == 3) { + bb_appendBits(dataCodewords, accumData, 10); + accumData = 0; + accumCount = 0; + } + } + if (accumCount > 0) { + bb_appendBits(dataCodewords, accumData, accumCount * 3 + 1); + } + + } else if (isAlphanumeric((char*)text, length)) { + mode = 1; + bb_appendBits(dataCodewords, 1 << 1, 4); + bb_appendBits(dataCodewords, length, getModeBits(version, 1)); + + uint16_t accumData = 0; + uint8_t accumCount = 0; + for (uint16_t i = 0; i < length; i++) { + accumData = accumData * 45 + getAlphanumeric((char)(text[i])); + accumCount++; + if (accumCount == 2) { + bb_appendBits(dataCodewords, accumData, 11); + accumData = 0; + accumCount = 0; + } + } + if (accumCount > 0) { + bb_appendBits(dataCodewords, accumData, 6); + } + + } else { + bb_appendBits(dataCodewords, 1 << 2, 4); + bb_appendBits(dataCodewords, length, getModeBits(version, 2)); + for (uint16_t i = 0; i < length; i++) { + bb_appendBits(dataCodewords, (char)(text[i]), 8); + } + } + + return mode; +} + +static void performErrorCorrection(uint8_t version, uint8_t ecc, BitBucket *data) { + uint8_t numBlocks = NUM_ERROR_CORRECTION_BLOCKS[ecc][version - 1]; + uint16_t totalEcc = NUM_ERROR_CORRECTION_CODEWORDS[ecc][version - 1]; + uint16_t moduleCount = NUM_RAW_DATA_MODULES[version - 1]; + uint8_t blockEccLen = totalEcc / numBlocks; + uint8_t numShortBlocks = numBlocks - moduleCount / 8 % numBlocks; + uint8_t shortBlockLen = moduleCount / 8 / numBlocks; + + uint8_t shortDataBlockLen = shortBlockLen - blockEccLen; + + uint8_t result[data->capacityBytes]; + memset(result, 0, sizeof(result)); + + uint8_t coeff[blockEccLen]; + rs_init(blockEccLen, coeff); + + uint16_t offset = 0; + uint8_t *dataBytes = data->data; + + for (uint8_t i = 0; i < shortDataBlockLen; i++) { + uint16_t index = i; + uint8_t stride = shortDataBlockLen; + for (uint8_t blockNum = 0; blockNum < numBlocks; blockNum++) { + result[offset++] = dataBytes[index]; + if (blockNum == numShortBlocks) { stride++; } + + index += stride; + } + } + { + uint16_t index = shortDataBlockLen * (numShortBlocks + 1); + uint8_t stride = shortDataBlockLen; + for (uint8_t blockNum = 0; blockNum < numBlocks - numShortBlocks; blockNum++) { + result[offset++] = dataBytes[index]; + + if (blockNum == 0) { stride++; } + index += stride; + } + } + + uint8_t blockSize = shortDataBlockLen; + for (uint8_t blockNum = 0; blockNum < numBlocks; blockNum++) { + if (blockNum == numShortBlocks) { blockSize++; } + + rs_getRemainder(blockEccLen, coeff, dataBytes, blockSize, &result[offset + blockNum], numBlocks); + dataBytes += blockSize; + } + + memcpy(data->data, result, data->capacityBytes); + data->bitOffsetOrWidth = moduleCount; +} + +static const uint8_t ECC_FORMAT_BITS = (0x02 << 6) | (0x03 << 4) | (0x00 << 2) | (0x01 << 0); + +uint16_t qrcode_getBufferSize(uint8_t version) { + return bb_getGridSizeBytes(4 * version + 17); +} +int8_t qrcode_initBytes(QRCode *qrcode, uint8_t *modules, uint8_t version, uint8_t ecc, uint8_t *data, uint16_t length) { + uint8_t size = version * 4 + 17; + qrcode->version = version; + qrcode->size = size; + qrcode->ecc = ecc; + qrcode->modules = modules; + + uint8_t eccFormatBits = (ECC_FORMAT_BITS >> (2 * ecc)) & 0x03; + uint16_t moduleCount = NUM_RAW_DATA_MODULES[version - 1]; + uint16_t dataCapacity = moduleCount / 8 - NUM_ERROR_CORRECTION_CODEWORDS[eccFormatBits][version - 1]; + struct BitBucket codewords; + uint8_t codewordBytes[bb_getBufferSizeBytes(moduleCount)]; + bb_initBuffer(&codewords, codewordBytes, (int32_t)sizeof(codewordBytes)); + int8_t mode = encodeDataCodewords(&codewords, data, length, version); + + if (mode < 0) { return -1; } + qrcode->mode = mode; + uint32_t padding = (dataCapacity * 8) - codewords.bitOffsetOrWidth; + if (padding > 4) { padding = 4; } + bb_appendBits(&codewords, 0, padding); + bb_appendBits(&codewords, 0, (8 - codewords.bitOffsetOrWidth % 8) % 8); + for (uint8_t padByte = 0xEC; codewords.bitOffsetOrWidth < (dataCapacity * 8); padByte ^= 0xEC ^ 0x11) { + bb_appendBits(&codewords, padByte, 8); + } + + BitBucket modulesGrid; + bb_initGrid(&modulesGrid, modules, size); + + BitBucket isFunctionGrid; + uint8_t isFunctionGridBytes[bb_getGridSizeBytes(size)]; + bb_initGrid(&isFunctionGrid, isFunctionGridBytes, size); + drawFunctionPatterns(&modulesGrid, &isFunctionGrid, version, eccFormatBits); + performErrorCorrection(version, eccFormatBits, &codewords); + drawCodewords(&modulesGrid, &isFunctionGrid, &codewords); + uint8_t mask = 0; + int32_t minPenalty = (2147483647); + for (uint8_t i = 0; i < 8; i++) { + drawFormatBits(&modulesGrid, &isFunctionGrid, eccFormatBits, i); + applyMask(&modulesGrid, &isFunctionGrid, i); + int penalty = getPenaltyScore(&modulesGrid); + if (penalty < minPenalty) { + mask = i; + minPenalty = penalty; + } + applyMask(&modulesGrid, &isFunctionGrid, i); + } + + qrcode->mask = mask; + drawFormatBits(&modulesGrid, &isFunctionGrid, eccFormatBits, mask); + applyMask(&modulesGrid, &isFunctionGrid, mask); + + return 0; +} + +int8_t qrcode_initText(QRCode *qrcode, uint8_t *modules, uint8_t version, uint8_t ecc, const char *data) { + return qrcode_initBytes(qrcode, modules, version, ecc, (uint8_t*)data, strlen(data)); +} + +bool qrcode_getModule(QRCode *qrcode, uint8_t x, uint8_t y) { + if (x >= qrcode->size || y >= qrcode->size) { + return false; + } + + uint32_t offset = y * qrcode->size + x; + return (qrcode->modules[offset >> 3] & (1 << (7 - (offset & 0x07)))) != 0; +} + +int get_qr (char *string, uint8_t *qrcodeBitmap) { + // The structure to manage the QR code + QRCode qrcode; + + // Allocate a chunk of memory to store the QR code + uint8_t qrcodeBytes[qrcode_getBufferSize(3)]; + + qrcode_initText(&qrcode, qrcodeBytes, 3, 0, string); + for (uint8_t y = 0; y < qrcode.size; y++) { + for (uint8_t x = 0; x < qrcode.size; x++) { + qrcodeBitmap[x + y * qrcode.size] = qrcode_getModule(&qrcode, x, y); + } + } + return qrcode.size; +} +`); + +function getBinaryQR (value) { + var qrcodeBitmap = new Uint8Array(850); + var flatValue = Uint8Array(E.toArrayBuffer(E.toFlatString(value ,0))); + var valueAddr = E.getAddressOf(flatValue, true); + var qrAddr = E.getAddressOf(qrcodeBitmap, true); + if (valueAddr == 0 || qrAddr == 0) { + console.log ("Failed to get flat arrays.."); + //return; + } + var qrsize = c.get_qr(valueAddr, qrAddr); + return { data: qrcodeBitmap, size: qrsize }; +} + +module.exports = getBinaryQR; diff --git a/apps/cards/screenshot_cards_barcode.png b/apps/cards/screenshot_cards_barcode.png new file mode 100644 index 0000000000..e57e9765a7 Binary files /dev/null and b/apps/cards/screenshot_cards_barcode.png differ diff --git a/apps/cards/screenshot_cards_card1.png b/apps/cards/screenshot_cards_card1.png new file mode 100644 index 0000000000..1c8c9514cb Binary files /dev/null and b/apps/cards/screenshot_cards_card1.png differ diff --git a/apps/cards/screenshot_cards_card2.png b/apps/cards/screenshot_cards_card2.png new file mode 100644 index 0000000000..15ee1cac41 Binary files /dev/null and b/apps/cards/screenshot_cards_card2.png differ diff --git a/apps/cards/screenshot_cards_overview.png b/apps/cards/screenshot_cards_overview.png new file mode 100644 index 0000000000..0a933ad0aa Binary files /dev/null and b/apps/cards/screenshot_cards_overview.png differ diff --git a/apps/cards/screenshot_cards_qrcode.png b/apps/cards/screenshot_cards_qrcode.png new file mode 100644 index 0000000000..5bace3e6ef Binary files /dev/null and b/apps/cards/screenshot_cards_qrcode.png differ diff --git a/apps/cards/settings.js b/apps/cards/settings.js new file mode 100644 index 0000000000..db0ab56de2 --- /dev/null +++ b/apps/cards/settings.js @@ -0,0 +1,19 @@ +(function(back) { + var settings = require("Storage").readJSON("cards.settings.json",1)||{}; + function updateSettings() { + require("Storage").writeJSON("cards.settings.json", settings); + } + var mainmenu = { + "" : { "title" : "Cards" }, + "< Back" : back, + /*LANG*/"Connected" : { value : NRF.getSecurityStatus().connected?/*LANG*/"Yes":/*LANG*/"No" }, + /*LANG*/"Use 'Today',..." : { + value : !!settings.useToday, + onchange: v => { + settings.useToday = v; + updateSettings(); + } + }, + }; + E.showMenu(mainmenu); +})